package com.mmall.common;

import net.sf.jsqlparser.schema.Server;
import org.codehaus.jackson.annotate.JsonIgnore;
import org.codehaus.jackson.map.annotate.JsonSerialize;

import java.io.Serializable;

/**
 * Created by chenxu on 17/7/24.
 */
@JsonSerialize(include = JsonSerialize.Inclusion.NON_NULL)
// 保证序列化json的时候，如果是null的对象，key也会消失
public class ServerResponse<T> implements Serializable{

    private int status;
    private String msg;
    private T data;

    public ServerResponse(int status){
        this.status = status;
    }

    private ServerResponse(int status, T data){
        this.status = status;
        this.data = data;
    }

    private ServerResponse(int status, String msg, T data){
        this.status = status;
        this.msg = msg;
        this.data = data;
    }

    private ServerResponse(int status, String msg){
        this.status = status;
        this.msg = msg;
    }

    @JsonIgnore
    //使之不在json序列化内
    public boolean isSuccess(){
        return this.status== ResponseCode.SUCCESS.getCode();
    }

    public int getStatus() {
        return status;
    }

    public T getData() {
        return data;
    }

    public String getMsg() {
        return msg;
    }

    public static <T> ServerResponse<T> createBySuccess(){
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode());
    }

    public static <T> ServerResponse<T> createBySuccess(String msg){
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(),msg);
    }

    public static <T> ServerResponse<T> createBySuccess(T data){
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(), data);
    }


    public static <T> ServerResponse<T> createBySuccess(String msg,T data){
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(),msg, data);
    }

    public static <T> ServerResponse<T> createByError(){
        return new ServerResponse<T>(ResponseCode.ERROR.getCode(), ResponseCode.ERROR.getDesc());
    }

    public static <T> ServerResponse<T> createByErrorMessage(String errorMsg){
        return new ServerResponse<T>(ResponseCode.ERROR.getCode(), errorMsg);
    }

    public static <T> ServerResponse<T> createByErrorCodeMessage(int errorCode, String errorMsg){
        return new ServerResponse<T>(errorCode,errorMsg);
    }
}
